Signal-lamp



C. E. ARCHER AND E. C. HUMPHHEYS.

SIGNAL LAMP.

APPLICATION FILED JUNE a. una.

Patented July 8, 1919.

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'rms cLUMalA PLNoaRAPH no.. WASHINGTON. D. c.

C. E. ARCHER AND E. C. HUMPHREYS.

S4GNAL LAMP.

APPLacMioN FILED JUNE s. m18.

1,309,392. Patented July 8, 191).

3 SHEETSASHEET 2.

THE COLUMBIA PLANOGRAPH |10.. WASHINGTON. D. c.

G ttor ne 5a C. E. ARCHER AND E. C. HUMPHREYS.

SIGNAL LAMP.

APPLxcATIoN HLED JUNE 6.1913.

Patented July 8, 1919.

3 SHEETS-SHEET 3.

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UNITED STATES PATENT OFFICE.

CHARLES E. ARCHER AND EDWARD C. HUMPHREYS, F DETROIT, MICHIGAN.

SIGNAL-LAMP.

Application filed June 6, 1918.

To H who/a 'it may manera.'

lie it known that we, CHARLES E. ARCHER and Enwiun (l. llonrnnriys,citizens of the United States of America, residing at Detroit. in thecounty of lVayne and State 0f Michigan, have invented certain new anduseful improvementsl in Signal-Linups, of which the following is aspecification, reference being had therein to the accompany- ]o ingdrawings.

This invention relates to signal lamps and may be considered animprovement over those lamps disclosed hy our lat'ents Nos. 1.2:,srs21;1.2511523, Lawson 1.2551522, an granted Mart-h lil, 1913, and Patent No.1,262.799, granted April 16, 1918, particle larly Patent No. 1,259,821,showing a dirigible lamp having universal movement so that light ra maybe projected in various directions.

The present invention aims to provide a signal` lamp having a universalmovement and which may be easily and quickly manipulated with one handfor signaling purposes, the lamp being applicable to air planes andother crafts where it is necessary that a signal lamp he adjustable inall directions and capable of manipulation with one hand, so that anaviator may also attend to other duties while signaling.

Our invention further aims to provide a signal lamp having variousadjustments with novel locking means for maintaining the lamp in anadjusted position, and provision is made so that the light orilluminating medium within the lamp may be flashed or eontrollcd in anyposition to which the lamp is set This is essential during aerialreconnoitering or scouting duty in order that the lalnp carrying aircraft may signal to other air craft or to land observers irrespective ofthe position of the signaling air craft- Our invention will behereinafter considered and reference will now be had to the drawing,wherein Figure 1 is a side elevation of the signal lamp pal'tly brokenaway and partly in longitudinal section;

Fig. 2 is a cross sectional view taken on the line II-II of Fig. 1;

Fig. 3 is a similar view taken on the line IIIIII of Fig. 1;

Fig. 4 is a cross sectional view of a portion of the operating mechanismshowing the preferred form of a flexible power transmission member;

Specification of Letters Patent.

Patented July 8, 191 9.

Serial No. 238,468.

Fig. 5 is a plan of the lamp;

Fig. (l is a cross sectional view taken on the line VI-VI of Fig. 1;

Fig. T is a similar view taken 011 the line VII-VII of Fig. 1;

Fig. 8 is a side elevation of a portion of the signal lamp, partlybrokenaway and partly in section, illustrating a modification of ourinvention;

Fig. t) is a cross sectional view taken on the line IX-IX of Fig. 8, and

Fig. l() is a plan of a portion of a locking device forming part of themodified form of lamp.

In the drawings, the reference numeral 1 denotes a support which may heone of 'the struts of an air-plane, a portion of the fuse lage or anyother part of the craft where the lamp may be supported convenient tothe aviator or observer in the air plane. suitably connected to thesupport isa bracket 2 terminating in a barrel or tubular member 3.

4 denotes a tubular arm fixed in the harrel 3, as at 5, said arm havingthe outer end thereof provided with a hollow cylindrical head 6 intowhich extends the reduced end T of a hollow cylindrical yoke head 8.

t) and 10 denote sets of tubular or hollow yoke arms having the outerends thereof provided with adjustable easings 11 and 12 respect'ively.`disposed in opposed relation.

13 denotes a lamp housing having a det-achably retiector 11 providedwith an i11- eandeseent lamp 15, and said housing has diametricallyopposed trunnions or gudgeons rotatable on sleeve portions 1T of thecasings 11 and 12.

18 denotes a tubular shaft journaled in the arm 4 and having the outerend thereof integral with the reduced end 7 of the yoke head 8, whilethe inner end of said tubular shaft is provided with a nut 19 thatprevents longitudinal. displacement of said tubular shaft relative tothe arln 4 and the head 6.

20 denotes an inner toothed clutch member slidable on the inner end ofthe tubular shaft 18 and held, as at 2l, for rotation therewith, saidinner clutch member having a cylindrical easing Q2 inelosing a pin head23 fixed on the inner end of the tubular arm f1. The easing 22 has aseries of circumferentially disposed apertures adapted to receive pins24 carried by the head 23 and the pinhead 23 and easing 22 are normallyin terlorked by' the pressure or expansive torce ot' :t spring 2.3disposed within the casing 22 and hearing against the pin head 23.

21' denotesr a tubular handle shaft, journaled in the shaft 1H ot' the`yoke head 3 and slidable on the inner end ot' the yoke shaft 2t) is uhandle 27 haring the ends thereof prorided with outer clutch members 28and .251. the former heilig adapted jfor interlock ing engagement withthe inner eluteh memhei' 2U. when the handle 27 is shifted toward theeasing lith the clutch members 20 and 23 inter-locked. the handle 28 maybe shifted on the shaft 2G to shift the apertured easing 22 out otengagement with the stationary pin head 23. and then the handle 27 mayhe partially rotated in either direction so :is to turn the `yoke headshaft 18 and tuln tht` lainp about the axis of the handle shaft'. lt istherefore possible to oseillate or Wig weg tht` lamp or leek it in anadjusted position through the medium of the pin head 23 andthe casino'2'). eonstituting lockingmeans hind for holding the Yoke in an adjustedposition relative to the head (i of the arm -l.

3U denotes a groored or notched wheel in the `reke head S and fixed forrotation with the outer end of the handle shaft 2G. It is preferable tohave the Wheel notched, as shown in Fig. 4, but it ma)y have aperipheral groove as shown in Figs. 1 and 2. Trained about the Wheel 30is a tiexible power transmission member 31 that may be in the form ot' aChain. as shown in Fig. 4, or in the form of a cable as shown in Figs. 1and 2. said member extending through the yoke arm 9 and trained about agrooi'ed or notrhed Wheel 32 in the casing -11. The wheel 32 is mountedon a stud 33 extending through the sleeve portion 17 of the easing 11and fixed relative to the trunnion or gudgeon 16 of the lamp housing 13.The easings 11 and 12 are made adjustable on the ends of the sets ofyoke arms 9 and 10 so as to take up any lost motion in the powertransmission member 31.

34 denotes an inner clutch member on the inner end of the handle shaft26, and with the outer clutch member 29 interlocked With the innerclutch member 34 by shifting the handle 27, the handle may be partiallyro tated to impart a similar movement to the handle shaft 26, whichthrough the medium of the Wheels 30 and 32, and power transmissionmember 31, adjust the lamp housing 13 in the yoke. It is thereforepossible to oscillate or wigwag the lamp or lock it in an adjustedposition through the medium of the pin head 23 and the casing 22constitute ing locking means for holding the yoke in adjusted positionrelative to the head 6 of the arm 4. By oscillating the handle 27 thelamp housing 13 may be wigwagged or turned in a desired directionrelative to its supporting yoke, and the various movements may beaccomplished by simpl)r shitting the handle 27 longitudinally of theshaft 2U and turning it in the desired direetion.

35 denotes a detachable closure plate l'or the outer end of thecylindrical yoke head H and the inner fare ot said plate is providedwith a block of insulation 3G having pins 37 adapted to extend into aseries of eireumi'erentiall)r disposed openings or apertures 3H in theside oiE the wheel 30. A spring 3) n'iaintains the wheel 3i) normally inengagement with the pins 37, said pins and the block of insulation 3Gserving as a pin head somewhat similar to the pin head 33, andconstituting means for locking thel'iandle shaft 2G against accidentalrotation. liesides placing the handle 27 in interlorked engagement withthe shaft 2G to rotate the same, it is netessary to shift the shaft 20longitudinally oi' the Yoke shaft in order to l more the wheel lit) outof engagement with the pins 37.

Considering now the elet't'rieal rennertions and the eontrol tor theinenndest-ent lamp 15, said connections` and controlling mechanism aredisposed so as to prt-rent short circuits and not interfere with theuniversal movement of the lamp.

40 denotes an insulator in the sleeve portion 17 of the easing 12 andextending through said insulator are leading-in wires 41 to theincandescent lamp 15` said Wires extending between the Wall of thehousing 13 and the wall of the retieetor 11. The outer ends of thelead-in wires -1'1 are connected to insulated disks 4 2 and nornialli'engaging said disks are brushes ,4:3 supl'iortetl by an insulator L11.The easings 11 and 12 have detachable side plates so that the parteWithin said casings can be readilyY assembled.

1G and 47 denote conductors connected to the brushes 43 and extendingthrough one of the, yoke arms 10, the conductor 4G being connected to abinding post 48 supported by and insulated from the reduced end 7 of theHtl tui

itin

`Yoke head 8. The conductor 47 extends to the block of insulation 36 andis connected to a resilient switch member 49 movable to and from astationarv switch member 50, carried by the block ot insulation. Thestau tionary switch member 5() is connected by a eonduetor 51 to abinding post 52 on the end of the head 8.

53 denotes an insulator in the head G of the arm 4, and on that faee ofthe insulator confronting the reduced end 7 of the yoke head 8 areconcentric rings 54 and 55. These rings are engaged by brushes 56carried by the binding posts 48 and 52, and the rings 54- and 55 havebinding posts 57 for leadin Wires 58. The Wires 58 extend through asuitable insulator 59 in the head 6 and are adapted to be oonnected to asuitable source of electrical energy not shown).

(to denotes a reciprocable switch rod con centricall y of the handleshaft Q6, the Wheel and the inner clutch member 34, said switch rodhaving the outer end thereof normally engaging the resilient member 49.The inner end of the switch rod has a cylindrical enlargement Gl in theclutch member 3l and there is a pin and bayonet slot connection (32between the clutch member 31 and enlargement tl so that the switch rodG0 can be locked in adjusted position. The enlargement (31 has a knurledknob or handle (23 so that it may be easily rotated and reeiprocated,and a pin G4 in the switch rod G0 prevents :u'eidental withdrawal of theswitch rod from the handle shaft 2G.

lt is non' apparent that through the medium of theI disks, rings,brushes, switch and conductors thaty the incandescent lamp may hecontinuously illuminated or flashed, iircspcctiw of the position of thelamp and darin;l any adjustment thereof. A hand gripping the handle 2Tcan easily and quickly make desired adjustments, and at the same timecontrol the illumination of thc lamp.

llet'crencc will nonv be had to Figs. 8 to 1l) inclusive, illustrating amodified form of signal lamp. and more particularly the lockinglmechanism for controlling the oscillation of the lamp in its yoke.

(ttl and (3T denote casings similar to the casings 11 and 1Q of thepreferred form of construction and in this modified form we place aportion of the lamp actuating mechanism and a portion of the electricalconnections in the casing G7. In other Words, We combine thil elements33, 40, Lt2 and elfi of the preferred Form of construction Within thecasing` GT, use one of the arms 10 for the poner transmission member,and the other of said arms 10 for the conductors 46 and 1T. This leavesthe casing 68 and the set of arms 9 so that We may install the modifiedform of locking device.

(1S denotes a trunnion or a gudgeon of the lamp 13 and said trunnionextends into the casing G6 and is provided With a toothed wheel (i9.Engaging the toothed Wheel 69 is a spring pressed latch or detent 70pivoted within the casing G6 and connected to the end of a able orflexible rod 71 that extends through one of the tubular yoke arms 9 intothe yoke head 8. In the yoke head 8 the cable or rod 71 is connected toan angular crank T2 on the outer end of the switch rod and said crank isadapted to be sprung over a lug 73 on, a retaining Washer 74 mounted inthe yoke head 8. The retaining Washer 74 is notched, as at. 75, so as tofacilitate assembling the elements within the yoke head S, and with thecrank 72 sprung over the lug 73. the latch or detent is held in aretracted position, thus permitting of the lamp housing 13 being freelyadjusted. By

partially turning or rocking the switch rod (it), the latch or detent 70may be released to engage the toothed Wheel (59 and hold the lamp in anadjusted position.

thile in the drawings there are illustrated the preferred embodiments ofour invention it is to be understood that the structural elements aresusceptible to such variations and modifications as fall Within thescope of the appended claims.

What we claim is:-

1. A signal lamp comprising an arm, a g yoke at the outer end thereofheld for rotation about the axis of said arm, a lamp trunnioned in saidyoke, a handle at the inner end of said arm adapted to be reciprocattulin one direction and rotated to effect a movement of said yoke andrcciprocatcd in the opposite direction and rotated to effect a movementlof said lamp on its trunnions. and a .switch at said Yoke opcratahlcfrom said handle and adapted for controlling the illumination of saidlamp.

A signal lamp comprising an arm. a yoke at the outer end thereof heldfor rota tion about the axis of said arm, a lamp carried by said yoke,shiftable means at the inner end of said arm adapted for effecting amovement of either said yoke or said lamp. means in the inner end ofsaid arm adapted to hohl said yoke against movement during the operationof said lamp` and means at the outer end of said arm adapted to holdsaid lamp against movement during the operi.- tion of said yoke.

3. A signal lamp comprising a hollow Iyoke. a lamp trunnioned betweenthe arms of said yoke, means extending through one ot' the arms of theyoke and adapted for shiftingl said lamp in said yoke, means cxtendingthrough the other arm of said yoke adapted for conducting an electriccurrent to said lamp, and means in said yoke adapted to lock said lampshifting means.

et. A signal lamp comprising an arm, a yoke at the outer end thereofheld for rotation about the axis of said arm, a lamp carried by saidyoke, a yoke shaft journaled in said arm, locking means for said yokeshaft, a shaft journaled in said yoke shaft and adapted for impartingmovement to said lamp, locking means in said yoke for the last mentionedshaft, and reciprocable means on the last mentioned shaft; adapted torelease either of said locking means and adapted for imparting movementto either of said shafts.

5. A signal lamp comprising an arm, a yoke at the outer end thereof heldfor rotation about the axis of said arm, a lamp trunnioned in said yoke,a shaft in said arm adapted for imparting movement to said yoke, a shaftin said arm adapted for imparting movement to said lamp, and meansreciprocable on the lamp actuating shaft titl mlnlied to establish unoperating connection with either of seid Shafts.

A signal lmnp comprising :in erin, a yoke :it (he onteienrl thereofEheld for rotation nhont the :lxis of said mm, n lamp trunnioned in Suidyoke, :L shaft in said arm :idnpteil for inipin'ting inoven'ient to saidyoke, :i shaft in said :uin adapted for impart ing movement 1o Suidlmnp, :l handle reeipmeuble on the lmnp :ntlmting shaft and nihipted tohe operai ivelyv connected t0 either of mid slmftri, :ind Ineens mountedeonoen treally of Suid handle adapted for controlling the illuminationof Huid lmnp during :my :nljnstinent thereof.

T. A signal lamp comprising an ann, a yoke :il the outer end thereofheld for rotanavman tion about the axis of Said arm, a lump cstrried bySaid yoke, eoneentritl shafts jourimloxl in .smid arm und adapted forimparting movement to said yoke und said lamp, reeiproeable moans on oneof said shafts adapted to be operatively oonneoted to either of saidshafts for imparting movement thereto, und locking ineens at the ends ofsaid shafts adapted for holding Said shafts against. accidentelmovement.

In testimony whereof We affix our signatures in presence of twowitnesses.

CHARLES E. ARCHER. EDWARD C. HUMPHREYS. Witnesses:

ANNA M. Donn, KARL H. BUTLER.

Copies of this patent may be obtained foi` five cents each, byaddressing the Commissioner of Patents. Washington, D. C.

